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Passenger Boeing 777-300 is part of the family of wide-body, twin-engine aircraft Triple Seven (T7) and is an extended model of Boeing 777-200. This airliner is intended for medium and long-haul airlines. Today it is the largest twin-engine passenger aircraft in the world. Its length is 73,86 meters at a wingspan of 60,93 meters. The aircraft was created to replace outdated airliners Boeing 747-100 and 747-200. Compared with these models, the new Boeing 777-300 has comparable passenger capacity and range, while its operating costs are lower by 40 percent. The range of the Boeing aircraft is from 7500 to 10595 kilometers.

As the power plant aircraft equipped with turbojet engines of high capacity, Pratt & Whitney PW-4090 with traction 400 kN, PW-4098s with traction 436 kN, Rolls-Royce Trent 892s with traction 409 kN or General Electric GE90-92Bs to pull each in 409 kN.

Boeing 777-300 photo

Like the base model, version 777-300 equipped with digital avionics EFIS «Honeywell» company production, which corresponds to the standard ARINC 629.

for aircraft development program was launched in June 1995 years under the name «777 Stretch». In March 1997 year began assembly of the first prototype. The aircraft rolled off the assembly hangar 8 September 1997 years. And then, 16 October of the same year, he first took to the air. 4 May 1998, the aircraft was certified FAA and JAA, fitness for passenger flights. And then, in May 21 1998 years, Boeing 777-300, Hong Kong was handed over to the airline «Cathay Pacific».

Boeing 777-300 Salon

Further development of the model aircraft class, was the modification of the increased flight range, which received the designation Boeing 777-300ER.

This version is equipped with the most powerful to date aeronautical turbojet engines, General Electric GE90-115B with traction 512 kN.

In addition to new engines this modification has a reinforced chassis and tailplane, extra fuel tanks, as well as upgraded wing tips that are chamfered back and elongated. This maximum range Boeing 777-300ER flight is 14690 kilometers. Range is the model at the maximum load is smooth 13427 kilometers.

At present, an indirect competitor to Boeing 777-300 is a twin-engine passenger airliner Airbus A340-600.